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Super Investors / CenterBook Partners LP
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CenterBook Partners LP

Quarterly 13F snapshot: US-listed longs only, no performance figures — 13F data cannot support them.

Portfolio value
$2.04B
Positions
693
Quarter ended
June 30, 2026
Filed
August 11, 2026

Reported portfolio value by quarter (19 quarters reported)

$2.05B $170M
Q4 21 Q4 22 Q4 23 Q4 24 Q4 25 Q2 26

$170M in Q4 2021 → $2.04B now. Hover for any quarter.

Holdings

As reported for the quarter ended June 30, 2026. Activity is the change in share count since the prior quarter's filing.

Holding % of portfolio Activity Shares Value
Amazon Com Inc 2.5% Added 18% 209,763 $50M
Alphabet Inc 2.2% Trimmed 1.5% 128,118 $45.8M
Meta Platforms Inc 2.1% Added 23% 75,888 $42.7M
Microsoft Corp 1.9% Trimmed 0.2% 104,729 $39.1M
Nvidia Corporation 1.8% Added 19% 178,482 $35.7M
TS Taiwan Semiconductor Manufac 1.7% Trimmed 13% 71,595 $34.2M
Visa Inc 1.6% Added 23% 97,160 $33.3M
TI Texas Instrs Inc 1.5% Added 164% 101,724 $30.3M
Apple Inc 1.4% Added 11% 98,050 $28.4M
BH Berkshire Hathaway Inc Del 1.4% Added 14% 56,229 $28.1M
Eli Lilly & Co 1.4% Trimmed 21% 23,135 $27.7M
Mastercard Incorporated 1.3% New 51,161 $26.3M
Broadcom Inc 1.3% Added 6.9% 68,476 $25.9M
Netflix Inc. 1.2% Added 1609% 355,147 $25.4M
Biontech Se 1.1% Added 47% 251,083 $23.4M
Jpmorgan Chase & Co 1.1% Added 2.0% 68,940 $22.6M
LH Lumentum Hldgs Inc 1.1% Added 1594% 25,152 $21.6M
Advanced Micro Devices Inc 1.0% Trimmed 61% 36,321 $21.1M
SE Space Exploration Techn Corp 1.0% New 120,871 $20.7M
Micron Technology Inc 0.9% Added 188% 15,198 $17.5M
Palantir Technologies Inc 0.8% New 135,093 $15.8M
Powerfleet Inc 0.8% Added 19% 4,107,647 $15.7M
Ftai Aviation Ltd 0.7% Added 65% 55,079 $14.9M
Echostar Corp 0.7% Added 991% 135,076 $13.7M
Usa Today Co Inc 0.7% New 1,589,163 $13.6M
Ross Stores Inc 0.7% Added 5093% 63,617 $13.5M
Legend Biotech Corp 0.6% Added 121% 452,907 $13.1M
DH Digitalocean Hldgs Inc 0.6% Added 725% 82,597 $13M
AE Advanced Energy Inds 0.6% Added 3349% 33,252 $12.4M
Enovix Corporation 0.6% Trimmed 31% 2,041,919 $12.4M
Analog Devices Inc 0.6% Added 684% 28,257 $11.2M
Pfizer Inc 0.5% Added 210% 459,030 $11.1M
Insmed Inc 0.5% Added 193% 103,151 $11M
Fabrinet 0.5% Added 193% 19,220 $10.8M
Atlas Energy Solutions Inc 0.5% Trimmed 31% 639,169 $10.6M
TC Tjx Cos Inc New 0.5% Added 47% 69,372 $10.5M
Microchip Technology Inc. 0.5% Added 139% 113,396 $10.3M
Darling Ingredients Inc 0.5% Added 204% 184,219 $10.1M
Mineralys Therapeutics Inc 0.5% Added 309% 365,630 $9.86M
Weave Communications Inc 0.5% Added 41% 1,646,468 $9.86M
Uber Technologies Inc 0.5% Added 15% 136,246 $9.83M
UR Uranium Rty Corp 0.5% Trimmed 1.3% 3,489,860 $9.7M
Regeneron Pharmaceuticals 0.5% Added 206% 15,486 $9.66M
Equinox Gold Corp 0.5% Added 69% 991,635 $9.64M
RR Ramaco Res Inc 0.5% Added 216% 728,470 $9.64M
Arhaus Inc 0.5% Trimmed 43% 1,118,395 $9.42M
NH Nu Hldgs Ltd 0.5% Added 183% 695,796 $9.3M
Ftai Infrastructure Inc 0.4% Added 46% 1,962,977 $9.11M
Comstock Inc 0.4% New 2,165,707 $9.01M
Genius Sports Limited 0.4% Added 1385% 1,476,166 $8.95M
Olin Corp 0.4% Added 135% 441,585 $8.75M
PS Primoris Svcs Corp 0.4% New 86,441 $8.57M
Talen Energy Corp 0.4% Added 27% 22,297 $8.57M
AH Asml Hldg Nv 0.4% Trimmed 60% 4,231 $8.42M
Ferroglobe PLC 0.4% Added 174% 2,566,762 $8.16M
Structure Therapeutics Inc 0.4% Added 597% 148,030 $7.94M
Wex Inc 0.4% Added 461% 55,870 $7.88M
Lightpath Technologies Inc 0.4% New 478,502 $7.82M
RB Royal Bk Cda 0.4% Trimmed 23% 37,296 $7.72M
Vera Therapeutics Inc 0.4% Added 85% 179,467 $7.7M

Showing top 60 of 693 positions.

Timeline of changes

What changed each quarter, from the filings' own share counts. Largest moves first; most recent 8 quarters.

Q2 2026

quarter ended June 30, 2026 · filed August 11, 2026

Company Action Shares changed Value of change % of portfolio
AM Applied Matls Inc Trimmed −54,403 −$39.3M 0.3%
Advanced Micro Devices Inc Trimmed −55,792 −$32.4M 1.0%
Fuelcell Energy Inc Trimmed −878,350 −$31.6M 0.2%
Mastercard Incorporated New +51,161 +$26.3M 1.3%
Xometry Inc Trimmed −269,989 −$26.1M 0.1%
Amphenol Corp Trimmed −147,404 −$26M
Intel Corp Trimmed −172,025 −$24M 0.1%
Netflix Inc. Added +334,365 +$23.9M 1.2%
Lam Research Corp Trimmed −54,061 −$23.4M 0.1%
Mongodb Inc Trimmed −63,812 −$21.4M

Showing the 10 largest of 910 changes.

Q1 2026

quarter ended March 31, 2026 · filed May 05, 2026

Company Action Shares changed Value of change % of portfolio
Walmart Inc Exited −214,991 −$24M
Netflix Inc. Trimmed −212,340 −$20.4M 0.1%
Jpmorgan Chase & Co New +67,610 +$19.9M 1.1%
Broadcom Inc New +64,057 +$19.8M 1.1%
Regeneron Pharmaceuticals Trimmed −25,186 −$19.5M 0.2%
TI Texas Instrs Inc Trimmed −88,667 −$17.2M 0.4%
TC Tjx Cos Inc New Trimmed −106,437 −$17M 0.4%
Mongodb Inc New +64,672 +$15.8M 0.9%
LH Lumentum Hldgs Inc Trimmed −22,012 −$15.5M 0.1%
GA Ge Aerospace Exited −49,788 −$15.3M

Showing the 10 largest of 813 changes.

Q4 2025

quarter ended December 31, 2025 · filed February 11, 2026

Company Action Shares changed Value of change % of portfolio
Eli Lilly & Co New +24,471 +$26.3M 1.3%
Walmart Inc New +214,991 +$24M 1.2%
Echostar Corp Trimmed −210,579 −$22.9M
Advanced Micro Devices Inc Trimmed −102,167 −$21.9M 1.0%
Regeneron Pharmaceuticals Trimmed −26,977 −$20.8M 1.1%
Snowflake Inc Trimmed −93,498 −$20.5M 0.2%
Dollar Tree Inc Trimmed −162,916 −$20M 0.1%
Netflix Inc Added +210,629 +$19.7M 1.1%
CW Costco Whsl Corp New Exited −20,939 −$19.4M
Gitlab Inc New +488,247 +$18.3M 0.9%

Showing the 10 largest of 714 changes.

Q3 2025

quarter ended September 30, 2025 · filed November 07, 2025

Company Action Shares changed Value of change % of portfolio
Advanced Micro Devices Inc Added +174,388 +$28.2M 1.6%
Eli Lilly & Co Exited −34,345 −$26.8M
TI Texas Instrs Inc Added +140,702 +$25.9M 1.3%
Snowflake Inc Added +101,966 +$23M 1.2%
RM Robinhood Mkts Inc Exited −211,214 −$19.8M
Broadcom Inc Exited −66,495 −$18.3M
Equinox Gold Corp Trimmed −1,620,583 −$18.2M 0.6%
CW Costco Whsl Corp New Added +19,301 +$17.9M 1.0%
Echostar Corp New +216,183 +$16.5M 0.8%
Mcdonalds Corp Exited −56,097 −$16.4M

Showing the 10 largest of 685 changes.

Q2 2025

quarter ended June 30, 2025 · filed August 12, 2025

Company Action Shares changed Value of change % of portfolio
Eli Lilly & Co New +34,345 +$26.8M 1.5%
Regeneron Pharmaceuticals Added +45,877 +$24.1M 1.5%
Linde PLC Trimmed −43,474 −$20.4M 0.1%
RM Robinhood Mkts Inc New +211,214 +$19.8M 1.1%
RR Ramaco Res Inc Trimmed −1,373,556 −$18M 0.2%
Salesforce Inc New +62,965 +$17.2M 1.0%
Mcdonalds Corp New +56,097 +$16.4M 0.9%
EL Establishment Labs Hldgs Inc New +379,385 +$16.2M 0.9%
Fluence Energy Inc Trimmed −2,345,140 −$15.7M 0.1%
Walmart Inc Exited −172,669 −$15.2M

Showing the 10 largest of 629 changes.

Q1 2025

quarter ended March 31, 2025 · filed May 09, 2025

Company Action Shares changed Value of change % of portfolio
Salesforce Inc Exited −62,890 −$21M
Linde PLC Added +44,287 +$20.6M 1.4%
Visa Inc Added +52,136 +$18.3M 2.1%
Broadcom Inc New +107,167 +$17.9M 1.1%
Harmonic Inc Exited −1,335,941 −$17.7M
ST Spotify Technology S A Trimmed −28,044 −$15.4M 0.3%
Walmart Inc New +172,669 +$15.2M 1.0%
Eli Lilly & Co Exited −19,306 −$14.9M
Elevance Health Inc Trimmed −33,890 −$14.7M 0.1%
Natera Inc New +101,922 +$14.4M 0.9%

Showing the 10 largest of 629 changes.

Q4 2024

quarter ended December 31, 2024 · filed February 13, 2025

Company Action Shares changed Value of change % of portfolio
CW Costco Whsl Corp New Exited −31,431 −$27.9M
Salesforce Inc New +62,890 +$21M 1.3%
Applied Optoelectronics Inc Trimmed −476,707 −$17.6M 0.4%
Walmart Inc Exited −210,642 −$17M
TN Tidewater Inc New Trimmed −309,805 −$16.9M
Alphabet Inc Trimmed −83,076 −$15.7M 1.5%
ST Spotify Technology S A Added +32,633 +$14.6M 1.0%
Booking Holdings Inc Added +2,774 +$13.8M 1.7%
Eli Lilly & Co Added +17,222 +$13.3M 0.9%
Okta Inc Trimmed −163,975 −$12.9M 0.5%

Showing the 10 largest of 619 changes.

Q3 2024

quarter ended September 30, 2024 · filed November 14, 2024

Company Action Shares changed Value of change % of portfolio
CW Costco Whsl Corp New New +31,431 +$27.9M 1.7%
BH Berkshire Hathaway Inc Del New +59,381 +$27.3M 1.7%
Microsoft Corp Added +49,275 +$21.2M 2.1%
Alphabet Inc Added +121,936 +$20.2M 2.2%
Regeneron Pharmaceuticals Added +19,050 +$20M 1.5%
Nvidia Corporation New +151,466 +$18.4M 1.1%
TS Taiwan Semiconductor Mfg Ltd New +105,032 +$18.2M 1.1%
AH Asml Holding N V Added +21,520 +$17.9M 1.6%
Walmart Inc New +210,642 +$17M 1.0%
Okta Inc Added +187,382 +$13.9M 1.2%

Showing the 10 largest of 551 changes.

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